Portable computer docking station



FIG. 1 is a front end and right side perspective view of the portable computer showing our new design;

FIG. 2 is a rear end and left side perspective view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is an elevational view of the left side;

FIG. 6 is an elevational view of the front end; and,

FIG. 7 is an elevational view of the rear end. 

The ornamental design for a portable computer docking station, as shown. 